HABITATS - Coasts and seas are important ......., RUBBISH - Lots of........... is dumped into the sea., PESTICIDES - A chemical substance used to kill harmful insects, TANGLED - Fish can become .......... in plastic nets., SEWAGE - ........... needs to be treated before going into the sea., SEAWEED - Farmers collect this marine plant to sell as food., DRILLING - To make a hole in a rock to find oil., FLOODING - A rise in sea level can cause ..........., LEISURE - The time when you are not working or doing other duties, UNPOLLUTED - Seas must be clean and ..........., MINERALS - Salt, magnesium and titanium are..........., OVERFISHING - Catching too many fish in an area, WILDLIFE - Animals and plants that grow in natural conditions,

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